You can't you only get more if you have the cheats
From what I know, You can't BUY master balls in Pokemon.
Master balls cannot be brought, only given or won.
You can't.
Master balls cannot be bought in any Pokemon game.
Master Code: D8BAE4D9 4864DCE5 Buy Master Balls Code: 82005274 0001
in the pokemon league after beating the elite 4 talk to each 5 times them YOU HAVE TO BEAT THE CHAMPION WITHOUT LOOSING 1 POKEMON AND THEN GO TO THE BLACK CITY mart and you can buy master balls
buy them at walmart
sorry you cant buy masterballs
you cant there is only one
Enter these two codes and go to a PokeMart..there..You should be able to buy Master Balls. Master Code: D8BAE4D9 4864DCE5 Buy Master Balls Code: 82005274 0001
Not that I am aware of! You can however use cheats to give you up to 99 master balls!
You can't buy them, you can only get one. But in Castelia City, if you traded 50 Pokémon and talked to a man in the Castelia City Pokémon Center, you can get a Master Ball. It's the truth.